Catalogue Astrographique +656955


Catalog numbers:
     Gliese (Gl) 793, Giclas (G) 262-15, Luyten Half-Second (LHS) 3558, Hipparcos Input Catalog (HIC) 101180, Vyssotsky McCormick (McC) 820, Catalogue Astrographique (AC) +656955
Arity: singular
Right Ascension and Declination: 20h30m32.091s, +65°26'58.41" (epoch 2000.0)
Distance from Sol: 25.96 light-years (7.961 parsecs)
Standard error in distance: 0.8759%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 6.587, -8.543, 23.62
Galactic (X,Y,Z) coordinates in ly: -4.406, 24.68, 6.763
Proper motion: 0.533 arcsec/yr (57.9° from north)
Radial Velocity: 10.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -20.17, 8.475, -5.293

What do all these fields mean?

Spectral class: M3
Luminosity Class: V
Apparent visual magnitude: +10.54
Absolute visual magnitude: +11.04
Visual luminosity: 0.00335 x Sol
Color indices: B-V= +1.56, U-B= +1.21, R-I= +1.08
Comfort Zone (visual): 0.0578 A.U.s

but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.